CVE-2023-47855

Related Files

Ubuntu Security Notice USN-6797-1

Posted May 29, 2024

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6797-1 - It was discovered that some 3rd and 4th Generation Intel® Xeon® Processors did not properly restrict access to certain hardware features when using Intel® SGX or Intel® TDX. This may allow a privileged local user to potentially further escalate their privileges on the system. This issue only affected Ubuntu 23.10, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. It was discovered that some Intel® Atom® Processors did not properly clear register state when performing various operations. A local attacker could use this to obtain sensitive information via a transient execution attack. This issue only affected Ubuntu 23.10, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS and Ubuntu 16.04 LTS.

tags | advisory, local

systems | linux, ubuntu

advisories | CVE-2023-22655, CVE-2023-28746, CVE-2023-38575, CVE-2023-39368, CVE-2023-43490, CVE-2023-45733, CVE-2023-46103, CVE-2023-47855

SHA-256 | 1ae00687dcd8bf9e9f41102f5446e293b7f0e18dbc2d69d9941f2b35474397b5

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